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TAKE YOUR TRAINING TO HEART
you send us your compatible crankset
Whether you are a Tour de France pro
providing the pulse of your performance every time you move
4iiii PRECISION 3+ PRO Dual-Sided Powermeter - Ride Ready heart-rate-monitors TAKE YOUR TRAINING TO HEARTThe 4iiii PRECISION 3+ PRO Powermeter is our most advanced power meter, offering the ultimate combination of dual sided accuracy, durability, and lightweight design. Whether you are a Tour de France pro, a Mountain Bike World Champion, Ironman triathlete, a Zwift racer, or a cyclist looking to analyze left right balance to optimize your pedal stroke, this dual sided crank based power meter provides the comprehensive data you need to unlock your
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